:root{--nav:#10263a;--nav2:#0b1d2c;--blue:#1677ff;--bg:#f5f7fb;--text:#18212b;--muted:#6c7887;--border:#e3e8ef;--green:#178a55;--red:#d83a3a}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:#146fe8;text-decoration:none}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--nav),var(--nav2));color:#fff;padding:0 14px}.brand{height:66px;display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;border-bottom:1px solid #ffffff18}.brandmark{width:31px;height:31px;border-radius:50%;background:#1d7df3;display:inline-grid;place-items:center;font-weight:800;color:#fff;box-shadow:0 0 0 4px #ffffff0d}.sidebar nav{padding-top:14px}.sidebar nav a{display:block;color:#dce7f1;padding:11px 12px;border-radius:7px;margin:3px 0;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:var(--blue);color:#fff}.nav-label{font-size:10px;letter-spacing:.12em;color:#8da2b4;padding:18px 12px 5px}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 30px}.userbox{display:flex;align-items:center;gap:14px;font-size:14px}.link-button{border:0;background:none;color:#146fe8;cursor:pointer}.content{padding:28px;max-width:1500px;margin:0 auto}.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.page-head h1{margin:0 0 5px;font-size:28px}.page-head p{margin:0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.metric{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px;box-shadow:0 1px 2px #00000008}.metric span{color:var(--muted);font-size:13px}.metric strong{display:block;font-size:32px;margin-top:8px}.panel{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:0 1px 2px #00000008}.panel-head{display:flex;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.panel h2,.panel-head h2{font-size:17px;margin:0}.form-panel{padding:22px}.form-panel h2{margin-bottom:18px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:#5c6773;font-weight:600;background:#fafbfc}th,td{padding:13px 16px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:0}.status{display:inline-block;border-radius:999px;padding:4px 9px;background:#edf2f7;color:#52606d;font-size:12px;text-transform:capitalize}.status.received,.status.delivered{background:#e8f7ef;color:var(--green)}.status.failed{background:#fdecec;color:var(--red)}.status.queued,.status.sending,.status.processing,.status.media{background:#eaf2ff;color:#1269d4}.grid-two{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:18px}.grid-detail{display:grid;grid-template-columns:340px 1fr;gap:18px}.details{padding:22px}.details h2{margin-bottom:18px}.details dl{display:grid;grid-template-columns:100px 1fr;gap:12px;margin:0}.details dt{color:var(--muted);font-size:13px}.details dd{margin:0;overflow-wrap:anywhere}.pdf-panel{height:720px}.pdf-panel iframe{border:0;width:100%;height:100%}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.danger{color:var(--red)}label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}label small{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;border:1px solid #cad3dd;border-radius:7px;padding:10px 11px;font:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid #1677ff28;border-color:var(--blue)}button,.button{display:inline-block;border:0;border-radius:7px;padding:10px 15px;font-weight:600;cursor:pointer;font-size:14px}.primary{background:var(--blue);color:#fff;margin-top:16px}.secondary{background:#fff;border:1px solid var(--border);color:var(--text)}.wide{width:100%}.contact-row{display:flex;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--border);font-size:13px}.contact-row span{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:30px}.empty.large{padding:100px 20px}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#10263a,#183a57)}.login-card{width:min(420px,calc(100% - 30px));background:#fff;padding:34px;border-radius:14px;box-shadow:0 22px 70px #0005}.login-brand{display:flex;align-items:center;gap:12px}.login-brand h1{font-size:23px;margin:0}.login-card>p{color:var(--muted);margin:8px 0 24px 43px}.alert{padding:11px;border-radius:7px;margin-bottom:15px}.alert.error{background:#fdecec;color:#a92828}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.cards{grid-template-columns:1fr 1fr}.grid-two,.grid-detail{grid-template-columns:1fr}.pdf-panel{height:550px}.content{padding:18px}}@media(max-width:550px){.cards{grid-template-columns:1fr}.topbar{padding:0 16px}th:nth-child(3),td:nth-child(3),th:nth-child(5),td:nth-child(5){display:none}}